jit refactoring branch

--HG--
branch : refac-jit
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/branches/refac-jit%402369
This commit is contained in:
David Anderson
2008-07-06 04:49:55 +00:00
commit 2e7b6b5ba5
879 changed files with 297155 additions and 0 deletions
File diff suppressed because it is too large Load Diff
+186
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/**
* vim: set ts=4 :
* =============================================================================
* SourceMod
* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#ifndef _INCLUDE_SOURCEMOD_EXTENSION_SYSTEM_H_
#define _INCLUDE_SOURCEMOD_EXTENSION_SYSTEM_H_
#include <IExtensionSys.h>
#include <ILibrarySys.h>
#include <sh_list.h>
#include <sh_string.h>
#include <sm_trie_tpl.h>
#include "sm_globals.h"
#include "ShareSys.h"
#include <ISmmAPI.h>
#include <IPluginSys.h>
#include <IRootConsoleMenu.h>
#include "PluginSys.h"
#include "NativeOwner.h"
using namespace SourceMod;
using namespace SourceHook;
class CExtension;
struct sm_extnative_t
{
CExtension *owner;
const sp_nativeinfo_t *info;
};
class CExtension :
public IExtension,
public CNativeOwner
{
friend class CExtensionManager;
public:
virtual ~CExtension();
public: //IExtension
IExtensionInterface *GetAPI();
const char *GetFilename();
IdentityToken_t *GetIdentity();
ITERATOR *FindFirstDependency(IExtension **pOwner, SMInterface **pInterface);
bool FindNextDependency(ITERATOR *iter, IExtension **pOwner, SMInterface **pInterface);
void FreeDependencyIterator(ITERATOR *iter);
bool IsRunning(char *error, size_t maxlength);
public:
void SetError(const char *error);
void AddDependency(const IfaceInfo *pInfo);
void AddChildDependent(CExtension *pOther, SMInterface *iface);
void AddInterface(SMInterface *pInterface);
void AddPlugin(CPlugin *pPlugin);
void MarkAllLoaded();
void AddLibrary(const char *library);
public:
virtual bool Load(char *error, size_t maxlength);
virtual bool IsLoaded() =0;
virtual void Unload() =0;
protected:
void Initialize(const char *filename, const char *path);
bool PerformAPICheck(char *error, size_t maxlength);
void CreateIdentity();
void DestroyIdentity();
protected:
IdentityToken_t *m_pIdentToken;
IExtensionInterface *m_pAPI;
String m_File;
String m_Path;
String m_Error;
List<IfaceInfo> m_Deps; /** Dependencies */
List<IfaceInfo> m_ChildDeps; /** Children who might depend on us */
List<SMInterface *> m_Interfaces;
List<String> m_Libraries;
unsigned int unload_code;
bool m_bFullyLoaded;
};
class CLocalExtension : public CExtension
{
public:
CLocalExtension(const char *filename);
public:
bool Load(char *error, size_t maxlength);
bool IsLoaded();
void Unload();
bool IsExternal();
private:
PluginId m_PlId;
ILibrary *m_pLib;
};
class CRemoteExtension : public CExtension
{
public:
CRemoteExtension(IExtensionInterface *pAPI, const char *filename, const char *path);
public:
bool Load(char *error, size_t maxlength);
bool IsLoaded();
void Unload();
bool IsExternal();
};
class CExtensionManager :
public IExtensionManager,
public SMGlobalClass,
public IPluginsListener,
public IRootConsoleCommand
{
public:
CExtensionManager();
~CExtensionManager();
public: //SMGlobalClass
void OnSourceModAllInitialized();
void OnSourceModShutdown();
public: //IExtensionManager
IExtension *LoadExtension(const char *path,
char *error,
size_t maxlength);
bool UnloadExtension(IExtension *pExt);
IExtension *FindExtensionByFile(const char *file);
IExtension *FindExtensionByName(const char *ext);
IExtension *LoadExternal(IExtensionInterface *pInterface,
const char *filepath,
const char *filename,
char *error,
size_t maxlength);
public: //IPluginsListener
void OnPluginDestroyed(IPlugin *plugin);
public: //IRootConsoleCommand
void OnRootConsoleCommand(const char *cmdname, const CCommand &command);
public:
IExtension *LoadAutoExtension(const char *path);
void BindDependency(IExtension *pOwner, IfaceInfo *pInfo);
void AddInterface(IExtension *pOwner, SMInterface *pInterface);
void BindChildPlugin(IExtension *pParent, CPlugin *pPlugin);
void MarkAllLoaded();
void AddDependency(IExtension *pSource, const char *file, bool required, bool autoload);
void TryAutoload();
void AddLibrary(IExtension *pSource, const char *library);
bool LibraryExists(const char *library);
void CallOnCoreMapStart(edict_t *pEdictList, int edictCount, int clientMax);
void AddRawDependency(IExtension *ext, IdentityToken_t *other, void *iface);
public:
CExtension *GetExtensionFromIdent(IdentityToken_t *ptr);
void Shutdown();
CNativeOwner *GetNativeOwner(IExtension *pExt)
{
CExtension *p = (CExtension *)pExt;
return p;
}
private:
CExtension *FindByOrder(unsigned int num);
private:
List<CExtension *> m_Libs;
};
extern CExtensionManager g_Extensions;
#endif //_INCLUDE_SOURCEMOD_EXTENSION_SYSTEM_H_
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/**
* vim: set ts=4 :
* =============================================================================
* SourceMod
* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#include <assert.h>
#include <stdarg.h>
#include <string.h>
#include "ForwardSys.h"
#include "PluginSys.h"
#include "ShareSys.h"
#include "DebugReporter.h"
CForwardManager g_Forwards;
/**
* Genesis turns to its source, reduction occurs stepwise although the essence is all one.
* End of line. FTL system check.
*
* :TODO: WHAT NEEDS TO BE TESTED IN THIS BEAST
* VARARG FUNCTIONS:
* - Pushing no varargs
*/
// :TODO: IMPORTANT!!! The result pointer arg in the execute function maybe invalid if the forward fails
// so later evaluation of this result may cause problems on higher levels of abstraction. DOCUMENT OR FIX ALL FORWARDS!
CForwardManager::~CForwardManager()
{
CStack<CForward *>::iterator iter;
for (iter=m_FreeForwards.begin(); iter!=m_FreeForwards.end(); iter++)
{
delete (*iter);
}
m_FreeForwards.popall();
}
void CForwardManager::OnSourceModAllInitialized()
{
g_PluginSys.AddPluginsListener(this);
g_ShareSys.AddInterface(NULL, this);
}
IForward *CForwardManager::CreateForward(const char *name, ExecType et, unsigned int num_params, const ParamType *types, ...)
{
CForward *fwd;
va_list ap;
va_start(ap, types);
fwd = CForward::CreateForward(name, et, num_params, types, ap);
va_end(ap);
if (fwd)
{
g_PluginSys.AddFunctionsToForward(name, fwd);
m_managed.push_back(fwd);
}
return fwd;
}
IChangeableForward *CForwardManager::CreateForwardEx(const char *name, ExecType et, int num_params, const ParamType *types, ...)
{
CForward *fwd;
va_list ap;
va_start(ap, types);
fwd = CForward::CreateForward(name, et, num_params, types, ap);
va_end(ap);
if (fwd)
{
m_unmanaged.push_back(fwd);
}
return fwd;
}
void CForwardManager::OnPluginLoaded(IPlugin *plugin)
{
/* Attach any globally managed forwards */
List<CForward *>::iterator iter;
CForward *fwd;
for (iter=m_managed.begin(); iter!=m_managed.end(); iter++)
{
fwd = (*iter);
IPluginFunction *pFunc = plugin->GetBaseContext()->GetFunctionByName(fwd->GetForwardName());
if (pFunc)
{
fwd->AddFunction(pFunc);
}
}
}
void CForwardManager::OnPluginUnloaded(IPlugin *plugin)
{
List<CForward *>::iterator iter;
CForward *fwd;
for (iter=m_managed.begin(); iter!=m_managed.end(); iter++)
{
fwd = (*iter);
fwd->RemoveFunctionsOfPlugin(plugin);
}
for (iter=m_unmanaged.begin(); iter!=m_unmanaged.end(); iter++)
{
fwd = (*iter);
fwd->RemoveFunctionsOfPlugin(plugin);
}
}
IForward *CForwardManager::FindForward(const char *name, IChangeableForward **ifchng)
{
List<CForward *>::iterator iter;
CForward *fwd;
for (iter=m_managed.begin(); iter!=m_managed.end(); iter++)
{
fwd = (*iter);
if (strcmp(fwd->GetForwardName(), name) == 0)
{
if (ifchng)
{
*ifchng = NULL;
}
return fwd;
}
}
for (iter=m_unmanaged.begin(); iter!=m_unmanaged.end(); iter++)
{
fwd = (*iter);
if (strcmp(fwd->GetForwardName(), name) == 0)
{
if (ifchng)
{
*ifchng = fwd;
}
return fwd;
}
}
if (ifchng)
{
*ifchng = NULL;
}
return NULL;
}
void CForwardManager::ReleaseForward(IForward *forward)
{
ForwardFree(static_cast<CForward *>(forward));
}
void CForwardManager::ForwardFree(CForward *fwd)
{
if (fwd == NULL)
{
return;
}
m_FreeForwards.push(fwd);
m_managed.remove(fwd);
}
CForward *CForwardManager::ForwardMake()
{
CForward *fwd;
if (m_FreeForwards.empty())
{
fwd = new CForward;
} else {
fwd = m_FreeForwards.front();
m_FreeForwards.pop();
}
return fwd;
}
void CForwardManager::OnPluginPauseChange(IPlugin *plugin, bool paused)
{
/* No longer used */
}
/*************************************
* ACTUAL FORWARD API IMPLEMENTATION *
*************************************/
CForward *CForward::CreateForward(const char *name, ExecType et, unsigned int num_params, const ParamType *types, va_list ap)
{
ParamType _types[SP_MAX_EXEC_PARAMS];
if (num_params > SP_MAX_EXEC_PARAMS)
{
return NULL;
}
if (types == NULL && num_params)
{
for (unsigned int i=0; i<num_params; i++)
{
_types[i] = (ParamType)va_arg(ap, int);
if (_types[i] == Param_VarArgs && (i != num_params - 1))
{
return NULL;
}
}
types = _types;
} else {
for (unsigned int i=0; i<num_params; i++)
{
_types[i] = types[i];
if (types[i] == Param_VarArgs && (i != num_params - 1))
{
return NULL;
}
}
}
/* First parameter can never be varargs */
if (num_params && _types[0] == Param_VarArgs)
{
return NULL;
}
CForward *pForward = g_Forwards.ForwardMake();
pForward->m_curparam = 0;
pForward->m_ExecType = et;
snprintf(pForward->m_name, FORWARDS_NAME_MAX, "%s", name ? name : "");
for (unsigned int i=0; i<num_params; i++)
{
pForward->m_types[i] = _types[i];
}
if (num_params && _types[num_params-1] == Param_VarArgs)
{
pForward->m_varargs = num_params--;
} else {
pForward->m_varargs = false;
}
pForward->m_numparams = num_params;
pForward->m_errstate = SP_ERROR_NONE;
pForward->m_functions.clear();
return pForward;
}
int CForward::Execute(cell_t *result, IForwardFilter *filter)
{
if (m_errstate)
{
int err = m_errstate;
Cancel();
return err;
}
if (filter)
{
filter->OnExecuteBegin();
}
FuncIter iter = m_functions.begin();
IPluginFunction *func;
cell_t cur_result = 0;
cell_t high_result = 0;
int err;
unsigned int failed=0, success=0;
unsigned int num_params = m_curparam;
FwdParamInfo temp_info[SP_MAX_EXEC_PARAMS];
FwdParamInfo *param;
ParamType type;
/* Save local, reset */
memcpy(temp_info, m_params, sizeof(m_params));
m_curparam = 0;
for (iter=m_functions.begin(); iter!=m_functions.end(); iter++)
{
func = (*iter);
for (unsigned int i=0; i<num_params; i++)
{
int err = SP_ERROR_PARAM;
param = &temp_info[i];
if (i >= m_numparams || m_types[i] == Param_Any)
{
type = param->pushedas;
} else {
type = m_types[i];
}
if ((i >= m_numparams) || (type & SP_PARAMFLAG_BYREF))
{
/* If we're byref or we're vararg, we always push everything by ref.
* Even if they're byval, we must push them byref.
*/
if (type == Param_String)
{
err = func->PushStringEx((char *)param->byref.orig_addr, param->byref.cells, param->byref.sz_flags, param->byref.flags);
} else if (type == Param_Float || type == Param_Cell) {
err = func->PushCellByRef(&param->val);
} else {
err = func->PushArray(param->byref.orig_addr, param->byref.cells, param->byref.flags);
assert(type == Param_Array || type == Param_FloatByRef || type == Param_CellByRef);
}
} else {
/* If we're not byref or not vararg, our job is a bit easier. */
assert(type == Param_Cell || type == Param_Float);
err = func->PushCell(param->val);
}
if (err != SP_ERROR_NONE)
{
if (!filter || !filter->OnErrorReport(this, func, err))
{
g_DbgReporter.GenerateError(func->GetParentContext(),
func->GetFunctionID(),
err,
"Failed to push parameter while executing forward");
}
continue;
}
}
/* Call the function and deal with the return value. */
if ((err=func->Execute(&cur_result)) != SP_ERROR_NONE)
{
if (filter)
{
filter->OnErrorReport(this, func, err);
}
failed++;
} else {
success++;
switch (m_ExecType)
{
case ET_Event:
{
if (cur_result > high_result)
{
high_result = cur_result;
}
break;
}
case ET_Hook:
{
if (cur_result > high_result)
{
high_result = cur_result;
if ((ResultType)high_result == Pl_Stop)
{
goto done;
}
}
break;
}
case ET_Custom:
{
if (filter)
{
if (filter->OnFunctionReturn(this, func, &cur_result) == Pl_Stop)
{
goto done;
}
}
break;
}
default:
{
break;
}
}
}
}
done:
if (success)
{
if (m_ExecType == ET_Event || m_ExecType == ET_Hook)
{
cur_result = high_result;
} else if (m_ExecType == ET_Ignore) {
cur_result = 0;
}
if (result)
{
*result = cur_result;
}
}
if (filter)
{
filter->OnExecuteEnd(&cur_result, success, failed);
}
return SP_ERROR_NONE;
}
int CForward::PushCell(cell_t cell)
{
if (m_curparam < m_numparams)
{
if (m_types[m_curparam] == Param_Any)
{
m_params[m_curparam].pushedas = Param_Cell;
} else if (m_types[m_curparam] != Param_Cell) {
return SetError(SP_ERROR_PARAM);
}
} else {
if (!m_varargs || m_numparams > SP_MAX_EXEC_PARAMS)
{
return SetError(SP_ERROR_PARAMS_MAX);
}
m_params[m_curparam].pushedas = Param_Cell;
}
m_params[m_curparam++].val = cell;
return SP_ERROR_NONE;
}
int CForward::PushFloat(float number)
{
if (m_curparam < m_numparams)
{
if (m_types[m_curparam] == Param_Any)
{
m_params[m_curparam].pushedas = Param_Float;
} else if (m_types[m_curparam] != Param_Float) {
return SetError(SP_ERROR_PARAM);
}
} else {
if (!m_varargs || m_numparams > SP_MAX_EXEC_PARAMS)
{
return SetError(SP_ERROR_PARAMS_MAX);
}
m_params[m_curparam].pushedas = Param_Float;
}
m_params[m_curparam++].val = *(cell_t *)&number;
return SP_ERROR_NONE;
}
int CForward::PushCellByRef(cell_t *cell, int flags)
{
if (m_curparam < m_numparams)
{
if (m_types[m_curparam] == Param_Any)
{
m_params[m_curparam].pushedas = Param_CellByRef;
} else if (m_types[m_curparam] != Param_CellByRef) {
return SetError(SP_ERROR_PARAM);
}
} else {
if (!m_varargs || m_numparams > SP_MAX_EXEC_PARAMS)
{
return SetError(SP_ERROR_PARAMS_MAX);
}
m_params[m_curparam].pushedas = Param_CellByRef;
}
_Int_PushArray(cell, 1, flags);
m_curparam++;
return SP_ERROR_NONE;
}
int CForward::PushFloatByRef(float *num, int flags)
{
if (m_curparam < m_numparams)
{
if (m_types[m_curparam] == Param_Any)
{
m_params[m_curparam].pushedas = Param_FloatByRef;
} else if (m_types[m_curparam] != Param_FloatByRef) {
return SetError(SP_ERROR_PARAM);
}
} else {
if (!m_varargs || m_numparams > SP_MAX_EXEC_PARAMS)
{
return SetError(SP_ERROR_PARAMS_MAX);
}
m_params[m_curparam].pushedas = Param_FloatByRef;
}
_Int_PushArray((cell_t *)num, 1, flags);
m_curparam++;
return SP_ERROR_NONE;
}
void CForward::_Int_PushArray(cell_t *inarray, unsigned int cells, int flags)
{
m_params[m_curparam].byref.cells = cells;
m_params[m_curparam].byref.flags = flags;
m_params[m_curparam].byref.orig_addr = inarray;
}
int CForward::PushArray(cell_t *inarray, unsigned int cells, int flags)
{
/* We don't allow this here */
if (!inarray)
{
return SetError(SP_ERROR_PARAM);
}
if (m_curparam < m_numparams)
{
if (m_types[m_curparam] == Param_Any)
{
m_params[m_curparam].pushedas = Param_Array;
} else if (m_types[m_curparam] != Param_Array) {
return SetError(SP_ERROR_PARAM);
}
} else {
if (!m_varargs || m_curparam > SP_MAX_EXEC_PARAMS)
{
return SetError(SP_ERROR_PARAMS_MAX);
}
m_params[m_curparam].pushedas = Param_Array;
}
_Int_PushArray(inarray, cells, flags);
m_curparam++;
return SP_ERROR_NONE;
}
void CForward::_Int_PushString(cell_t *inarray, unsigned int cells, int sz_flags, int cp_flags)
{
m_params[m_curparam].byref.cells = cells; /* Notice this contains the char count not cell count */
m_params[m_curparam].byref.flags = cp_flags;
m_params[m_curparam].byref.orig_addr = inarray;
m_params[m_curparam].byref.sz_flags = sz_flags;
}
int CForward::PushString(const char *string)
{
if (m_curparam < m_numparams)
{
if (m_types[m_curparam] == Param_Any)
{
m_params[m_curparam].pushedas = Param_String;
} else if (m_types[m_curparam] != Param_String) {
return SetError(SP_ERROR_PARAM);
}
} else {
if (!m_varargs || m_curparam > SP_MAX_EXEC_PARAMS)
{
return SetError(SP_ERROR_PARAMS_MAX);
}
m_params[m_curparam].pushedas = Param_String;
}
_Int_PushString((cell_t *)string, strlen(string)+1, SM_PARAM_STRING_COPY, 0);
m_curparam++;
return SP_ERROR_NONE;
}
int CForward::PushStringEx(char *buffer, size_t length, int sz_flags, int cp_flags)
{
if (m_curparam < m_numparams)
{
if (m_types[m_curparam] == Param_Any)
{
m_params[m_curparam].pushedas = Param_String;
} else if (m_types[m_curparam] != Param_String) {
return SetError(SP_ERROR_PARAM);
}
} else {
if (!m_varargs || m_curparam > SP_MAX_EXEC_PARAMS)
{
return SetError(SP_ERROR_PARAMS_MAX);
}
m_params[m_curparam].pushedas = Param_String;
}
_Int_PushString((cell_t *)buffer, length, sz_flags, cp_flags);
m_curparam++;
return SP_ERROR_NONE;
}
void CForward::Cancel()
{
if (!m_curparam)
{
return;
}
m_curparam = 0;
m_errstate = SP_ERROR_NONE;
}
bool CForward::AddFunction(IPluginContext *pContext, funcid_t index)
{
IPluginFunction *pFunc = pContext->GetFunctionById(index);
if (!pFunc)
{
return false;
}
return AddFunction(pFunc);
}
bool CForward::RemoveFunction(IPluginContext *pContext, funcid_t index)
{
IPluginFunction *pFunc = pContext->GetFunctionById(index);
if (!pFunc)
{
return false;
}
return RemoveFunction(pFunc);
}
bool CForward::RemoveFunction(IPluginFunction *func)
{
bool found = false;
FuncIter iter;
List<IPluginFunction *> *lst;
if (func->IsRunnable())
{
lst = &m_functions;
} else {
lst = &m_paused;
}
for (iter=m_functions.begin(); iter!=m_functions.end(); iter++)
{
if ((*iter) == func)
{
found = true;
lst->erase(iter);
break;
}
}
/* Cancel a call, if any */
if (found || m_curparam)
{
func->Cancel();
}
return found;
}
unsigned int CForward::RemoveFunctionsOfPlugin(IPlugin *plugin)
{
FuncIter iter;
IPluginFunction *func;
unsigned int removed = 0;
IPluginContext *pContext = plugin->GetBaseContext();
for (iter=m_functions.begin(); iter!=m_functions.end();)
{
func = (*iter);
if (func->GetParentContext() == pContext)
{
iter = m_functions.erase(iter);
removed++;
} else {
iter++;
}
}
return removed;
}
bool CForward::AddFunction(IPluginFunction *func)
{
if (m_curparam)
{
return false;
}
if (func->IsRunnable())
{
m_functions.push_back(func);
} else {
m_paused.push_back(func);
}
return true;
}
const char *CForward::GetForwardName()
{
return m_name;
}
unsigned int CForward::GetFunctionCount()
{
return m_functions.size();
}
ExecType CForward::GetExecType()
{
return m_ExecType;
}
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@@ -0,0 +1,158 @@
/**
* vim: set ts=4 :
* =============================================================================
* SourceMod
* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#ifndef _INCLUDE_SOURCEMOD_FORWARDSYSTEM_H_
#define _INCLUDE_SOURCEMOD_FORWARDSYSTEM_H_
#include <IForwardSys.h>
#include <IPluginSys.h>
#include "sm_globals.h"
#include <sh_list.h>
#include <sh_stack.h>
#include "sourcemod.h"
using namespace SourceHook;
typedef List<IPluginFunction *>::iterator FuncIter;
//:TODO: a global name max define for sourcepawn, should mirror compiler's sNAMEMAX
#define FORWARDS_NAME_MAX 64
struct ByrefInfo
{
unsigned int cells;
cell_t *orig_addr;
int flags;
int sz_flags;
};
struct FwdParamInfo
{
cell_t val;
ByrefInfo byref;
ParamType pushedas;
};
class CForward : public IChangeableForward
{
public: //ICallable
virtual int PushCell(cell_t cell);
virtual int PushCellByRef(cell_t *cell, int flags);
virtual int PushFloat(float number);
virtual int PushFloatByRef(float *number, int flags);
virtual int PushArray(cell_t *inarray, unsigned int cells, int flags);
virtual int PushString(const char *string);
virtual int PushStringEx(char *buffer, size_t length, int sz_flags, int cp_flags);
virtual void Cancel();
public: //IForward
virtual const char *GetForwardName();
virtual unsigned int GetFunctionCount();
virtual ExecType GetExecType();
virtual int Execute(cell_t *result, IForwardFilter *filter);
public: //IChangeableForward
virtual bool RemoveFunction(IPluginFunction *func);
virtual unsigned int RemoveFunctionsOfPlugin(IPlugin *plugin);
virtual bool AddFunction(IPluginFunction *func);
virtual bool AddFunction(IPluginContext *ctx, funcid_t index);
virtual bool RemoveFunction(IPluginContext *ctx, funcid_t index);
public:
static CForward *CreateForward(const char *name,
ExecType et,
unsigned int num_params,
const ParamType *types,
va_list ap);
private:
void _Int_PushArray(cell_t *inarray, unsigned int cells, int flags);
void _Int_PushString(cell_t *inarray, unsigned int cells, int sz_flags, int cp_flags);
inline int SetError(int err)
{
m_errstate = err;
return err;
}
protected:
/* :TODO: I want a caching list type here.
* Destroying these things and using new/delete for their members feels bad.
*/
mutable List<IPluginFunction *> m_functions;
mutable List<IPluginFunction *> m_paused;
/* Type and name information */
FwdParamInfo m_params[SP_MAX_EXEC_PARAMS];
ParamType m_types[SP_MAX_EXEC_PARAMS];
char m_name[FORWARDS_NAME_MAX+1];
unsigned int m_numparams;
unsigned int m_varargs;
ExecType m_ExecType;
/* State information */
unsigned int m_curparam;
int m_errstate;
};
class CForwardManager :
public IForwardManager,
public IPluginsListener,
public SMGlobalClass
{
friend class CForward;
public:
~CForwardManager();
public: //IForwardManager
IForward *CreateForward(const char *name,
ExecType et,
unsigned int num_params,
const ParamType *types,
...);
IChangeableForward *CreateForwardEx(const char *name,
ExecType et,
int num_params,
const ParamType *types,
...);
IForward *FindForward(const char *name, IChangeableForward **ifchng);
void ReleaseForward(IForward *forward);
public: //IPluginsListener
void OnPluginLoaded(IPlugin *plugin);
void OnPluginUnloaded(IPlugin *plugin);
void OnPluginPauseChange(IPlugin *plugin, bool paused);
public: //SMGlobalClass
void OnSourceModAllInitialized();
protected:
CForward *ForwardMake();
void ForwardFree(CForward *fwd);
private:
CStack<CForward *> m_FreeForwards;
List<CForward *> m_managed;
List<CForward *> m_unmanaged;
};
extern CForwardManager g_Forwards;
#endif //_INCLUDE_SOURCEMOD_FORWARDSYSTEM_H_
File diff suppressed because it is too large Load Diff
+225
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/**
* vim: set ts=4 :
* =============================================================================
* SourceMod
* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#ifndef _INCLUDE_SOURCEMOD_HANDLESYSTEM_H_
#define _INCLUDE_SOURCEMOD_HANDLESYSTEM_H_
#include <IHandleSys.h>
#include <stdio.h>
#include "sm_globals.h"
#include "sm_trie.h"
#include "sourcemod.h"
#include "sm_memtable.h"
#define HANDLESYS_MAX_HANDLES (1<<14)
#define HANDLESYS_MAX_TYPES (1<<9)
#define HANDLESYS_MAX_SUBTYPES 0xF
#define HANDLESYS_SUBTYPE_MASK 0xF
#define HANDLESYS_TYPEARRAY_SIZE (HANDLESYS_MAX_TYPES * (HANDLESYS_MAX_SUBTYPES + 1))
#define HANDLESYS_MAX_SERIALS 0xFFFF
#define HANDLESYS_SERIAL_MASK 0xFFFF0000
#define HANDLESYS_HANDLE_MASK 0x0000FFFF
#define HANDLESYS_MEMUSAGE_MIN_VERSION 3
/**
* The QHandle is a nasty structure that compacts the handle system into a big vector.
* The members of the vector each encapsulate one Handle, however, they also act as nodes
* in an inlined linked list and an inlined vector.
*
* The first of these lists is the 'freeID' list. Each node from 1 to N (where N
* is the number of free nodes) has a 'freeID' that specifies a free Handle ID. This
* is a quick hack to get around allocating a second base vector.
*
* The second vector is the identity linked list. An identity has its own handle, so
* these handles are used as sentinel nodes for index linking. They point to the first and last
* index into the handle array. Each subsequent Handle who is owned by that identity is mapped into
* that list. This lets owning identities be unloaded in O(n) time.
*
* Eventually, there may be a third list for type chains.
*/
enum HandleSet
{
HandleSet_None = 0,
HandleSet_Used, /* The Handle is in use */
HandleSet_Freed, /* The "master" Handle of a clone chain is freed */
HandleSet_Identity, /* The Handle is a special identity */
};
struct QHandle
{
HandleType_t type; /* Handle type */
void *object; /* Unmaintained object pointer */
IdentityToken_t *owner; /* Identity of object which owns this */
unsigned int serial; /* Serial no. for sanity checking */
unsigned int refcount; /* Reference count for safe destruction */
unsigned int clone; /* If non-zero, this is our cloned parent index */
HandleSet set; /* Information about the handle's state */
bool access_special; /* Whether or not access rules are special or type-derived */
bool is_destroying; /* Whether or not the handle is being destroyed */
HandleAccess sec; /* Security rules */
/* The following variables are unrelated to the Handle array, and used
* as an inlined chain of information */
unsigned int freeID; /* ID of a free handle in the free handle chain */
/* Indexes into the handle array for owner membership.
* For identity roots, these are treated as the head/tail. */
unsigned int ch_prev; /* chained previous handle */
unsigned int ch_next; /* chained next handle */
};
struct QHandleType
{
IHandleTypeDispatch *dispatch;
unsigned int freeID;
unsigned int children;
TypeAccess typeSec;
HandleAccess hndlSec;
unsigned int opened;
int nameIdx;
};
typedef void (HANDLE_REPORTER)(const char *str, ...);
class HandleSystem :
public IHandleSys
{
friend HandleError IdentityHandle(IdentityToken_t *token, unsigned int *index);
friend class ShareSystem;
public:
HandleSystem();
~HandleSystem();
public: //IHandleSystem
HandleType_t CreateType(const char *name,
IHandleTypeDispatch *dispatch,
HandleType_t parent,
const TypeAccess *typeAccess,
const HandleAccess *hndlAccess,
IdentityToken_t *ident,
HandleError *err);
bool RemoveType(HandleType_t type, IdentityToken_t *ident);
bool FindHandleType(const char *name, HandleType_t *type);
Handle_t CreateHandle(HandleType_t type,
void *object,
IdentityToken_t *owner,
IdentityToken_t *ident,
HandleError *err);
HandleError FreeHandle(Handle_t handle, const HandleSecurity *pSecurity);
HandleError CloneHandle(Handle_t handle,
Handle_t *newhandle,
IdentityToken_t *newOwner,
const HandleSecurity *pSecurity);
HandleError ReadHandle(Handle_t handle,
HandleType_t type,
const HandleSecurity *pSecurity,
void **object);
bool InitAccessDefaults(TypeAccess *pTypeAccess, HandleAccess *pHandleAccess);
bool TypeCheck(HandleType_t intype, HandleType_t outtype);
virtual Handle_t CreateHandleEx(HandleType_t type,
void *object,
const HandleSecurity *pSec,
const HandleAccess *pAccess,
HandleError *err);
void Dump(HANDLE_REPORTER rep);
protected:
/**
* Decodes a handle with sanity and security checking.
*/
HandleError GetHandle(Handle_t handle,
IdentityToken_t *ident,
QHandle **pHandle,
unsigned int *index,
bool ignoreFree=false);
/**
* Creates a basic handle and sets its reference count to 1.
* Does not do any type or security checking.
*/
HandleError MakePrimHandle(HandleType_t type,
QHandle **pHandle,
unsigned int *index,
HandleType_t *handle,
IdentityToken_t *owner,
bool identity=false);
/**
* Frees a primitive handle. Does no object freeing, only reference count, bookkeeping,
* and linked list maintenance.
* If used on an Identity handle, destroys all Handles under that identity.
*/
void ReleasePrimHandle(unsigned int index);
/**
* Sets the security owner of a type.
*/
void SetTypeSecurityOwner(HandleType_t type, IdentityToken_t *pToken);
/**
* Helper function to check access rights.
*/
bool CheckAccess(QHandle *pHandle, HandleAccessRight right, const HandleSecurity *pSecurity);
/**
* Some wrappers for internal functions, so we can pass indexes instead of encoded handles.
*/
HandleError FreeHandle(QHandle *pHandle, unsigned int index);
void UnlinkHandleFromOwner(QHandle *pHandle, unsigned int index);
HandleError CloneHandle(QHandle *pHandle, unsigned int index, Handle_t *newhandle, IdentityToken_t *newOwner);
Handle_t CreateHandleInt(HandleType_t type, void *object, const HandleSecurity *pSec, HandleError *err, const HandleAccess *pAccess, bool identity);
bool TryAndFreeSomeHandles();
HandleError TryAllocHandle(unsigned int *handle);
private:
QHandle *m_Handles;
QHandleType *m_Types;
Trie *m_TypeLookup;
unsigned int m_TypeTail;
unsigned int m_FreeTypes;
unsigned int m_HandleTail;
unsigned int m_FreeHandles;
unsigned int m_HSerial;
BaseStringTable *m_strtab;
};
extern HandleSystem g_HandleSys;
#endif //_INCLUDE_SOURCEMOD_HANDLESYSTEM_H_
+441
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/**
* vim: set ts=4 :
* =============================================================================
* SourceMod
* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#include <sys/stat.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <sm_platform.h>
#include "sm_stringutil.h"
#include "LibrarySys.h"
LibrarySystem g_LibSys;
CLibrary::~CLibrary()
{
if (m_lib)
{
#if defined PLATFORM_WINDOWS
FreeLibrary(m_lib);
#elif defined PLATFORM_POSIX
dlclose(m_lib);
#endif
m_lib = NULL;
}
}
CLibrary::CLibrary(LibraryHandle me)
{
m_lib = me;
}
void CLibrary::CloseLibrary()
{
delete this;
}
void *CLibrary::GetSymbolAddress(const char *symname)
{
#if defined PLATFORM_WINDOWS
return GetProcAddress(m_lib, symname);
#elif defined PLATFORM_POSIX
return dlsym(m_lib, symname);
#endif
}
/********************
** Directory Code **
********************/
CDirectory::CDirectory(const char *path)
{
#if defined PLATFORM_WINDOWS
char newpath[PLATFORM_MAX_PATH];
snprintf(newpath, sizeof(newpath), "%s\\*.*", path);
m_dir = FindFirstFileA(newpath, &m_fd);
if (!IsValid())
{
m_fd.cFileName[0] = '\0';
}
#elif defined PLATFORM_POSIX
m_dir = opendir(path);
if (IsValid())
{
/* :TODO: we need to read past "." and ".."! */
ep = readdir(m_dir);
snprintf(m_origpath, PLATFORM_MAX_PATH, "%s", path);
} else {
ep = NULL;
}
#endif
}
CDirectory::~CDirectory()
{
if (IsValid())
{
#if defined PLATFORM_WINDOWS
FindClose(m_dir);
#elif defined PLATFORM_POSIX
closedir(m_dir);
#endif
}
}
void CDirectory::NextEntry()
{
#if defined PLATFORM_WINDOWS
if (FindNextFile(m_dir, &m_fd) == 0)
{
FindClose(m_dir);
m_dir = INVALID_HANDLE_VALUE;
}
#elif defined PLATFORM_POSIX
if ((ep=readdir(m_dir)) == NULL)
{
closedir(m_dir);
m_dir = NULL;
}
#endif
}
bool CDirectory::IsEntryValid()
{
return IsValid();
}
bool CDirectory::IsEntryDirectory()
{
#if defined PLATFORM_WINDOWS
return ((m_fd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == FILE_ATTRIBUTE_DIRECTORY);
#elif defined PLATFORM_LINUX
char temppath[PLATFORM_MAX_PATH];
snprintf(temppath, sizeof(temppath), "%s/%s", m_origpath, GetEntryName());
return g_LibSys.IsPathDirectory(temppath);
#endif
}
bool CDirectory::IsEntryFile()
{
#if defined PLATFORM_WINDOWS
return !(m_fd.dwFileAttributes & (FILE_ATTRIBUTE_DIRECTORY|FILE_ATTRIBUTE_DEVICE));
#elif defined PLATFORM_POSIX
char temppath[PLATFORM_MAX_PATH];
snprintf(temppath, sizeof(temppath), "%s/%s", m_origpath, GetEntryName());
return g_LibSys.IsPathFile(temppath);
#endif
}
const char *CDirectory::GetEntryName()
{
#if defined PLATFORM_WINDOWS
return m_fd.cFileName;
#elif defined PLATFORM_LINUX
return ep ? ep->d_name : "";
#endif
}
bool CDirectory::MoreFiles()
{
return IsValid();
}
bool CDirectory::IsValid()
{
#if defined PLATFORM_WINDOWS
return (m_dir != INVALID_HANDLE_VALUE);
#elif defined PLATFORM_LINUX
return (m_dir != NULL);
#endif
}
/*************************
** Library System Code **
*************************/
bool LibrarySystem::PathExists(const char *path)
{
#if defined PLATFORM_WINDOWS
DWORD attr = GetFileAttributesA(path);
return (attr != INVALID_FILE_ATTRIBUTES);
#elif defined PLATFORM_POSIX
struct stat s;
return (stat(path, &s) == 0);
#endif
}
bool LibrarySystem::IsPathFile(const char *path)
{
#if defined PLATFORM_WINDOWS
DWORD attr = GetFileAttributes(path);
if (attr == INVALID_FILE_ATTRIBUTES)
{
return false;
}
if (attr & (FILE_ATTRIBUTE_DIRECTORY|FILE_ATTRIBUTE_DEVICE))
{
return false;
}
return true;
#elif defined PLATFORM_LINUX
struct stat s;
if (stat(path, &s) != 0)
{
return false;
}
return S_ISREG(s.st_mode) ? true : false;
#endif
}
bool LibrarySystem::IsPathDirectory(const char *path)
{
#if defined PLATFORM_WINDOWS
DWORD attr = GetFileAttributes(path);
if (attr == INVALID_FILE_ATTRIBUTES)
{
return false;
}
if (attr & FILE_ATTRIBUTE_DIRECTORY)
{
return true;
}
#elif defined PLATFORM_LINUX
struct stat s;
if (stat(path, &s) != 0)
{
return false;
}
if (S_ISDIR(s.st_mode))
{
return true;
}
#endif
return false;
}
IDirectory *LibrarySystem::OpenDirectory(const char *path)
{
CDirectory *dir = new CDirectory(path);
if (!dir->IsValid())
{
delete dir;
return NULL;
}
return dir;
}
void LibrarySystem::GetPlatformError(char *error, size_t maxlength)
{
if (error && maxlength)
{
#if defined PLATFORM_WINDOWS
DWORD dw = GetLastError();
FormatMessageA(
FORMAT_MESSAGE_FROM_SYSTEM|FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
dw,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
(LPSTR)error,
maxlength,
NULL);
#elif defined PLATFORM_POSIX
UTIL_Format(error, maxlength, "%s", strerror(errno));
#endif
}
}
void LibrarySystem::GetLoaderError(char *buffer, size_t maxlength)
{
#if defined PLATFORM_WINDOWS
GetPlatformError(buffer, maxlength);
#elif defined PLATFORM_POSIX
if (buffer != NULL && maxlength)
{
strncopy(buffer, dlerror(), maxlength);
}
#endif
}
void LibrarySystem::CloseDirectory(IDirectory *dir)
{
delete dir;
}
ILibrary *LibrarySystem::OpenLibrary(const char *path, char *error, size_t maxlength)
{
LibraryHandle lib;
#if defined PLATFORM_WINDOWS
lib = LoadLibraryA(path);
#elif defined PLATFORM_POSIX
lib = dlopen(path, RTLD_NOW);
#endif
if (lib == NULL)
{
GetLoaderError(error, maxlength);
return NULL;
}
return new CLibrary(lib);
}
size_t LibrarySystem::PathFormat(char *buffer, size_t len, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
size_t mylen = vsnprintf(buffer, len, fmt, ap);
va_end(ap);
if (mylen >= len)
{
mylen = len - 1;
buffer[mylen] = '\0';
}
for (size_t i=0; i<mylen; i++)
{
if (buffer[i] == PLATFORM_SEP_ALTCHAR)
{
buffer[i] = PLATFORM_SEP_CHAR;
}
}
return mylen;
}
const char *LibrarySystem::GetFileExtension(const char *filename)
{
size_t len, end;
len = strlen(filename);
/* Minimum string length for filename with ext would be 3; example: a.a */
if (len < 3)
{
return NULL;
}
end = len - 1;
for (size_t i = end; i <= end; i--)
{
if (filename[i] == PLATFORM_SEP_CHAR || filename[i] == PLATFORM_SEP_ALTCHAR)
{
break;
}
if (filename[i] == '.' && i != end && i != 0)
{
return &filename[++i];
}
}
return NULL;
}
bool LibrarySystem::CreateFolder(const char *path)
{
#if defined PLATFORM_WINDOWS
return (mkdir(path) != -1);
#elif defined PLATFORM_POSIX
return (mkdir(path, 0775) != -1);
#endif
}
size_t LibrarySystem::GetFileFromPath(char *buffer, size_t maxlength, const char *path)
{
size_t length = strlen(path);
for (size_t i = length - 1;
i >= 0 && i <= length - 1;
i--)
{
if (path[i] == '/'
#if defined PLATFORM_WINDOWS
|| path[i] == '\\'
#endif
)
{
return UTIL_Format(buffer, maxlength, "%s", &path[i+1]);
}
}
/* We scanned and found no path separator */
return UTIL_Format(buffer, maxlength, "%s", path);
}
bool LibrarySystem::FileTime(const char *path, FileTimeType type, time_t *pTime)
{
#ifdef PLATFORM_WINDOWS
struct _stat s;
if (_stat(path, &s) != 0)
#elif defined PLATFORM_POSIX
struct stat s;
if (stat(path, &s) != 0)
#endif
{
return false;
}
if (type == FileTime_LastAccess)
{
*pTime = s.st_atime;
}
else if (type == FileTime_Created)
{
*pTime = s.st_ctime;
}
else if (type == FileTime_LastChange)
{
*pTime = s.st_mtime;
}
return true;
}
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/**
* vim: set ts=4 :
* =============================================================================
* SourceMod
* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#ifndef _INCLUDE_SOURCEMOD_SYSTEM_LIBRARY_H_
#define _INCLUDE_SOURCEMOD_SYSTEM_LIBRARY_H_
#include <ILibrarySys.h>
#include "sm_platform.h"
using namespace SourceMod;
#if defined PLATFORM_WINDOWS
typedef HMODULE LibraryHandle;
#elif defined PLATFORM_POSIX
typedef void * LibraryHandle;
#endif
class CDirectory : public IDirectory
{
public:
CDirectory(const char *path);
~CDirectory();
public:
bool MoreFiles();
void NextEntry();
const char *GetEntryName();
bool IsEntryDirectory();
bool IsEntryFile();
bool IsEntryValid();
public:
bool IsValid();
private:
#if defined PLATFORM_WINDOWS
HANDLE m_dir;
WIN32_FIND_DATAA m_fd;
#elif defined PLATFORM_POSIX
DIR *m_dir;
struct dirent *ep;
char m_origpath[PLATFORM_MAX_PATH];
#endif
};
class CLibrary : public ILibrary
{
public:
CLibrary(LibraryHandle me);
~CLibrary();
public:
void CloseLibrary();
void *GetSymbolAddress(const char *symname);
private:
LibraryHandle m_lib;
};
class LibrarySystem : public ILibrarySys
{
public:
ILibrary *OpenLibrary(const char *path, char *error, size_t maxlength);
IDirectory *OpenDirectory(const char *path);
void CloseDirectory(IDirectory *dir);
bool PathExists(const char *path);
bool IsPathFile(const char *path);
bool IsPathDirectory(const char *path);
void GetPlatformError(char *error, size_t maxlength);
size_t PathFormat(char *buffer, size_t len, const char *fmt, ...);
const char *GetFileExtension(const char *filename);
bool CreateFolder(const char *path);
size_t GetFileFromPath(char *buffer, size_t maxlength, const char *path);
bool FileTime(const char *path, FileTimeType type, time_t *pTime);
void GetLoaderError(char *buffer, size_t maxlength);
};
extern LibrarySystem g_LibSys;
#endif //_INCLUDE_SOURCEMOD_SYSTEM_LIBRARY_H_
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@@ -0,0 +1,349 @@
/**
* vim: set ts=4 :
* =============================================================================
* SourceMod
* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#include <stdarg.h>
#include <string.h>
#include "PluginInfoDatabase.h"
#include "PluginSys.h"
void PluginSettings::Init()
{
name = -1;
pause_val = false;
type_val = PluginType_MapUpdated;
optarray = -1;
opts_num = 0;
opts_size = 0;
blockload_val = false;
}
/**
* :TODO: write the logger, make these errors log instead of being static
* NOTE: once we do that, we will have to change some code to ignore sections
*/
CPluginInfoDatabase::CPluginInfoDatabase()
{
m_strtab = NULL;
m_infodb_count = 0;
m_infodb_size = 0;
m_infodb = -1;
}
CPluginInfoDatabase::~CPluginInfoDatabase()
{
delete m_strtab;
}
void CPluginInfoDatabase::ReadSMC_ParseStart()
{
/* Create or reset our string table */
if (m_strtab)
{
m_strtab->Reset();
} else {
m_strtab = new BaseStringTable(1024);
}
/* Set our internal states to the beginning */
in_plugins = false;
cur_plugin = -1;
in_options = false;
m_infodb_size = 0;
m_infodb_count = 0;
m_infodb = -1;
}
SMCResult CPluginInfoDatabase::MakeError(const char *fmt, ...)
{
char buffer[512];
va_list ap;
va_start(ap, fmt);
vsnprintf(buffer, sizeof(buffer), fmt, ap);
va_end(ap);
m_errmsg = m_strtab->AddString(buffer);
return SMCResult_HaltFail;
}
unsigned int CPluginInfoDatabase::GetSettingsNum()
{
return m_infodb_count;
}
PluginSettings *CPluginInfoDatabase::GetSettingsIfMatch(unsigned int index, const char *filename)
{
BaseMemTable *memtab = m_strtab->GetMemTable();
int *table = (int *)memtab->GetAddress(m_infodb);
if (!table || index >= m_infodb_count)
{
return NULL;
}
PluginSettings *plugin = (PluginSettings *)memtab->GetAddress(table[index]);
const char *name = m_strtab->GetString(plugin->name);
if (!name)
{
return NULL;
}
if (!g_PluginSys.TestAliasMatch(name, filename))
{
return NULL;
}
return plugin;
}
void CPluginInfoDatabase::GetOptionsForPlugin(PluginSettings *settings, unsigned int opt_num, const char **key, const char **val)
{
PluginOpts *table = (PluginOpts *)m_strtab->GetMemTable()->GetAddress(settings->optarray);
if (!table)
{
*key = NULL;
*val = NULL;
return;
}
if (opt_num >= settings->opts_num)
{
*key = NULL;
*val = NULL;
return;
}
*key = m_strtab->GetString(table[opt_num].key);
*val = m_strtab->GetString(table[opt_num].val);
}
SMCResult CPluginInfoDatabase::ReadSMC_KeyValue(const SMCStates *states, const char *key, const char *value)
{
if (cur_plugin != -1)
{
PluginSettings *plugin = (PluginSettings *)m_strtab->GetMemTable()->GetAddress(cur_plugin);
if (!in_options)
{
if (strcmp(key, "pause") == 0)
{
if (strcasecmp(value, "yes") == 0)
{
plugin->pause_val = true;
}
else
{
plugin->pause_val = false;
}
}
else if (strcmp(key, "lifetime") == 0)
{
if (strcasecmp(value, "private") == 0)
{
plugin->type_val = PluginType_Private;
}
else if (strcasecmp(value, "mapsync") == 0)
{
plugin->type_val = PluginType_MapUpdated;
}
else if (strcasecmp(value, "maponly") == 0)
{
plugin->type_val = PluginType_MapOnly;
}
else if (strcasecmp(value, "global") == 0)
{
plugin->type_val = PluginType_Global;
}
else
{
return MakeError("Unknown value for key \"lifetime\": \"%s\"", value);
}
}
else if (strcmp(key, "blockload") == 0)
{
plugin->blockload_val = true;
}
else
{
return MakeError("Unknown property key: \"%s\"", key);
}
}
else
{
/* Cache every option, valid or not */
int keyidx = m_strtab->AddString(key);
int validx = m_strtab->AddString(value);
PluginOpts *table;
BaseMemTable *memtab = m_strtab->GetMemTable();
plugin = (PluginSettings *)memtab->GetAddress(cur_plugin);
if (plugin->opts_num + 1 > plugin->opts_size)
{
unsigned int oldsize = plugin->opts_size;
if (oldsize == 0)
{
//right now we don't have many
plugin->opts_size = 2;
}
else
{
plugin->opts_size *= 2;
}
int newidx = memtab->CreateMem(plugin->opts_size * sizeof(PluginOpts), (void **)&table);
/* in case it resized */
plugin = (PluginSettings *)memtab->GetAddress(cur_plugin);
if (plugin->optarray != -1)
{
void *oldtable = memtab->GetAddress(plugin->optarray);
memcpy(table, oldtable, oldsize * sizeof(PluginOpts));
}
plugin->optarray = newidx;
}
else
{
table = (PluginOpts *)memtab->GetAddress(plugin->optarray);
}
PluginOpts *opt = &table[plugin->opts_num++];
opt->key = keyidx;
opt->val = validx;
}
}
else if (in_plugins)
{
return MakeError("Unknown property key: \"%s\"", key);
}
else
{
/* Ignore anything we don't know about! */
}
return SMCResult_Continue;
}
SMCResult CPluginInfoDatabase::ReadSMC_LeavingSection(const SMCStates *states)
{
if (in_plugins)
{
if (cur_plugin != -1)
{
if (in_options)
{
in_options = false;
}
else
{
/* If the plugin is ending, add it to the table */
BaseMemTable *memtab = m_strtab->GetMemTable();
int *table;
if (m_infodb_count + 1 > m_infodb_size)
{
unsigned int oldsize = m_infodb_size;
if (!m_infodb_size)
{
m_infodb_size = 8;
}
else
{
m_infodb_size *= 2;
}
int newidx = memtab->CreateMem(m_infodb_size, (void **)&table);
if (m_infodb != -1)
{
void *oldtable = (int *)memtab->GetAddress(m_infodb);
memcpy(table, oldtable, oldsize * sizeof(int));
}
m_infodb = newidx;
}
else
{
table = (int *)memtab->GetAddress(m_infodb);
}
/* Assign to table and scrap the current plugin */
table[m_infodb_count++] = cur_plugin;
cur_plugin = -1;
}
}
else
{
in_plugins = false;
}
}
return SMCResult_Continue;
}
SMCResult CPluginInfoDatabase::ReadSMC_NewSection(const SMCStates *states, const char *name)
{
if (!in_plugins)
{
/* If we're not in the main Plugins section, and we don't get it for the name, error out */
if (strcmp(name, "Plugins") != 0)
{
return MakeError("Unknown root section: \"%s\"", name);
}
else
{
/* Otherwise set our states */
in_plugins = true;
cur_plugin = -1;
in_options = false;
}
}
else
{
if (cur_plugin == -1)
{
/* If we get a plugin node and we don't have a current plugin, create a new one */
PluginSettings *plugin;
int i_name = m_strtab->AddString(name);
cur_plugin = m_strtab->GetMemTable()->CreateMem(sizeof(PluginSettings), (void **)&plugin);
plugin->Init();
plugin->name = i_name;
in_options = false;
}
else
{
if (!in_options && strcmp(name, "Options") == 0)
{
in_options = true;
}
else
{
return MakeError("Unknown plugin sub-section: \"%s\"", name);
}
}
}
return SMCResult_Continue;
}
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/**
* vim: set ts=4 :
* =============================================================================
* SourceMod
* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#ifndef _INCLUDE_SOURCEMOD_CORE_SYSTEM_PLUGININFODATABASE_H_
#define _INCLUDE_SOURCEMOD_CORE_SYSTEM_PLUGININFODATABASE_H_
/**
* This file parses plugin_settings.cfg and stores the information in cached memory.
* It provides simplistic abstraction to retrieving the info.
* :TODO: currently untested
*/
#include "sm_memtable.h"
#include "ITextParsers.h"
#include "IPluginSys.h"
#include "sm_globals.h"
struct PluginOpts
{
int key;
int val;
};
struct PluginSettings
{
void Init();
int name;
bool pause_val;
PluginType type_val;
int optarray;
size_t opts_num;
size_t opts_size;
bool blockload_val;
};
class CPluginInfoDatabase : public ITextListener_SMC
{
public:
CPluginInfoDatabase();
~CPluginInfoDatabase();
public: //ITextListener_SMC
void ReadSMC_ParseStart();
SMCResult ReadSMC_NewSection(const SMCStates *states, const char *name);
SMCResult ReadSMC_KeyValue(const SMCStates *states, const char *key, const char *value);
SMCResult ReadSMC_LeavingSection(const SMCStates *states);
public:
/**
* Returns the number of plugin settings available.
*/
unsigned int GetSettingsNum();
/**
* Given an index, returns the plugin settings block if the filename matches.
* Otherwise, returns NULL.
*/
PluginSettings *GetSettingsIfMatch(unsigned int index, const char *filename);
/**
* Given a plugin settings struct and an index,
* returns the given JIT key/value option pair at that index.
* If the input is invalid, key and val will be set to NULL.
*/
void GetOptionsForPlugin(PluginSettings *settings, unsigned int opt_num, const char **key, const char **val);
private:
SMCResult MakeError(const char *fmt, ...);
private:
BaseStringTable *m_strtab;
int m_errmsg;
bool in_plugins;
bool in_options;
int m_infodb;
size_t m_infodb_count;
size_t m_infodb_size;
int cur_plugin;
};
#endif //_INCLUDE_SOURCEMOD_CORE_SYSTEM_PLUGININFODATABASE_H_
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/**
* vim: set ts=4 :
* =============================================================================
* SourceMod
* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#ifndef _INCLUDE_SOURCEMOD_PLUGINSYSTEM_H_
#define _INCLUDE_SOURCEMOD_PLUGINSYSTEM_H_
#include <time.h>
#include <errno.h>
#include <sys/stat.h>
#include <IPluginSys.h>
#include <IHandleSys.h>
#include <IForwardSys.h>
#include <sh_list.h>
#include <sh_stack.h>
#include <sh_vector.h>
#include <sh_string.h>
#include "sm_globals.h"
#include "vm/sp_vm_basecontext.h"
#include "PluginInfoDatabase.h"
#include "sm_trie.h"
#include "sourcemod.h"
#include <IRootConsoleMenu.h>
#if defined ORANGEBOX_BUILD
#include "convar_sm_ob.h"
#else
#include "convar_sm.h"
#endif
#include "ITranslator.h"
#include "NativeOwner.h"
#include "ShareSys.h"
using namespace SourceHook;
/**
* NOTES:
*
* UPDATE 2008-03-11: These comments are horribly out of date. They paint a good overall
* picture of how PluginSys works, but things like dependencies and fake natives have
* complicated things quite a bit.
*
* Currently this system needs a lot of work but it's good skeletally. Plugin creation
* is done without actually compiling anything. This is done by Load functions in the
* manager. This will need a rewrite when we add context switching.
*
* The plugin object itself has a few things to note. The most important is that it stores
* a table of function objects. The manager marshals allocation and freeing of these objects.
* The plugin object can be in erroneous states, they are:
* Plugin_Error --> Some error occurred any time during or after compilation.
* This error can be cleared since the plugin itself is valid.
* However, the state itself being set prevents any runtime action.
* Plugin_BadLoad --> The plugin failed to load entirely and nothing can be done to save it.
*
* If a plugin fails to load externally, it is never added to the internal tracker. However,
* plugins that failed to load from the internal loading mechanism are always tracked. This
* allows users to see which automatically loaded plugins failed, and makes the interface a bit
* more flexible.
*
* Once a plugin is compiled, it sets its own state to Plugin_Created. This state is still invalid
* for execution. SourceMod is a two pass system, and even though the second pass is not implemented
* yet, it is structured so Plugin_Created must be switched to Plugin_Running in the second pass. When
* implemented, a Created plugin will be switched to Error in the second pass if it not loadable.
*
* The two pass loading mechanism is described below. Modules/natives are not implemented yet.
* PASS ONE: All loadable plugins are found and have the following steps performed:
* 1. Loading and compilation is attempted.
* 2. If successful, all natives from Core are added.
* 3. OnPluginLoad() is called.
* 4. If failed, any user natives are scrapped and the process halts here.
* 5. If successful, the plugin is ready for Pass 2.
* INTERMEDIATE:
* 1. All forced modules are loaded.
* PASS TWO: All loaded plugins are found and have these steps performed:
* 1. Any modules referenced in the plugin that are not already loaded, are loaded.
* 2. If any module fails to load and the plugin requires it, load fails and jump to step 6.
* 3. If any natives are unresolved, check if they are found in the user-natives pool.
* 4. If yes, load succeeds. If not, natives are passed through a native acceptance filter.
* 5. If the filter fails, the plugin is marked as failed.
* 6. If the plugin has failed to load at this point, any dynamic natives it has added are scrapped.
* Furthermore, any plugin that referenced these natives must now have pass 2 re-ran.
* PASS THREE (not a real pass):
* 7. Once all plugins are deemed to be loaded, OnPluginStart() is called
*/
#define SM_CONTEXTVAR_MYSELF 0
struct ContextPair
{
ContextPair() : base(NULL), ctx(NULL), co(NULL)
{
};
BaseContext *base;
sp_context_t *ctx;
ICompilation *co;
IVirtualMachine *vm;
};
enum LoadRes
{
LoadRes_Successful,
LoadRes_AlreadyLoaded,
LoadRes_Failure,
LoadRes_NeverLoad
};
struct AutoConfig
{
String autocfg;
String folder;
bool create;
};
class CPlugin;
class CPlugin :
public IPlugin,
public CNativeOwner
{
friend class CPluginManager;
friend class CFunction;
public:
CPlugin(const char *file);
~CPlugin();
public:
PluginType GetType();
SourcePawn::IPluginContext *GetBaseContext();
sp_context_t *GetContext();
const sm_plugininfo_t *GetPublicInfo();
const char *GetFilename();
bool IsDebugging();
PluginStatus GetStatus();
bool SetPauseState(bool paused);
unsigned int GetSerial();
const sp_plugin_t *GetPluginStructure();
IdentityToken_t *GetIdentity();
unsigned int CalcMemUsage();
bool SetProperty(const char *prop, void *ptr);
bool GetProperty(const char *prop, void **ptr, bool remove=false);
void DropEverything();
public:
/**
* Creates a plugin object with default values.
* If an error buffer is specified, and an error occurs, the error will be copied to the buffer
* and NULL will be returned.
* If an error buffer is not specified, the error will be copied to an internal buffer and
* a valid (but error-stated) CPlugin will be returned.
*/
static CPlugin *CreatePlugin(const char *file, char *error, size_t maxlength);
public:
/**
* Starts the initial compilation of a plugin.
* Returns false if another compilation exists or there is a current context set.
*/
ICompilation *StartMyCompile(IVirtualMachine *vm);
/**
* Finalizes a compilation. If error buffer is NULL, the error is saved locally.
*/
bool FinishMyCompile(char *error, size_t maxlength);
void CancelMyCompile();
/**
* Sets an error state on the plugin
*/
void SetErrorState(PluginStatus status, const char *error_fmt, ...);
/**
* Initializes the plugin's identity information
*/
void InitIdentity();
/**
* Calls the OnPluginLoad function, and sets any failed states if necessary.
* NOTE: Valid pre-states are: Plugin_Created
* NOTE: If validated, plugin state is changed to Plugin_Loaded
*
* If the error buffer is NULL, the error message is cached locally.
*/
bool Call_AskPluginLoad(char *error, size_t maxlength);
/**
* Calls the OnPluginStart function.
* NOTE: Valid pre-states are: Plugin_Created
* NOTE: Post-state will be Plugin_Running
*/
void Call_OnPluginStart();
/**
* Calls the OnPluginEnd function.
*/
void Call_OnPluginEnd();
/**
* Calls the OnAllPluginsLoaded function.
*/
void Call_OnAllPluginsLoaded();
/**
* Toggles debug mode in the plugin
*/
bool ToggleDebugMode(bool debug, char *error, size_t maxlength);
/**
* Returns true if a plugin is usable.
*/
bool IsRunnable();
/**
* Get languages info.
*/
IPhraseCollection *GetPhrases();
public:
/**
* Returns the modification time during last plugin load.
*/
time_t GetTimeStamp();
/**
* Returns the current modification time of the plugin file.
*/
time_t GetFileTimeStamp();
/**
* Returns true if the plugin was running, but is now invalid.
*/
bool WasRunning();
Handle_t GetMyHandle();
bool AddFakeNative(IPluginFunction *pFunc, const char *name, SPVM_FAKENATIVE_FUNC func);
void AddConfig(bool autoCreate, const char *cfg, const char *folder);
unsigned int GetConfigCount();
AutoConfig *GetConfig(unsigned int i);
inline void AddLibrary(const char *name)
{
m_Libraries.push_back(name);
}
void LibraryActions(bool dropping);
protected:
void UpdateInfo();
void SetTimeStamp(time_t t);
void DependencyDropped(CPlugin *pOwner);
private:
ContextPair m_ctx;
PluginType m_type;
char m_filename[PLATFORM_MAX_PATH];
PluginStatus m_status;
unsigned int m_serial;
sm_plugininfo_t m_info;
sp_plugin_t *m_plugin;
char m_errormsg[256];
time_t m_LastAccess;
IdentityToken_t *m_ident;
Handle_t m_handle;
bool m_WasRunning;
IPhraseCollection *m_pPhrases;
List<String> m_RequiredLibs;
List<String> m_Libraries;
Trie *m_pProps;
bool m_FakeNativesMissing;
bool m_LibraryMissing;
CVector<AutoConfig *> m_configs;
bool m_bGotAllLoaded;
int m_FileVersion;
char m_DateTime[256];
};
class CPluginManager :
public IPluginManager,
public SMGlobalClass,
public IHandleTypeDispatch,
public IRootConsoleCommand
{
friend class CPlugin;
public:
CPluginManager();
~CPluginManager();
public:
/* Implements iterator class */
class CPluginIterator : public IPluginIterator
{
public:
CPluginIterator(List<CPlugin *> *mylist);
virtual ~CPluginIterator();
virtual bool MorePlugins();
virtual IPlugin *GetPlugin();
virtual void NextPlugin();
void Release();
public:
void Reset();
private:
List<CPlugin *> *mylist;
List<CPlugin *>::iterator current;
};
friend class CPluginManager::CPluginIterator;
public: //IPluginManager
IPlugin *LoadPlugin(const char *path,
bool debug,
PluginType type,
char error[],
size_t maxlength,
bool *wasloaded);
bool UnloadPlugin(IPlugin *plugin);
IPlugin *FindPluginByContext(const sp_context_t *ctx);
unsigned int GetPluginCount();
IPluginIterator *GetPluginIterator();
void AddPluginsListener(IPluginsListener *listener);
void RemovePluginsListener(IPluginsListener *listener);
public: //SMGlobalClass
void OnSourceModAllInitialized();
void OnSourceModShutdown();
public: //IHandleTypeDispatch
void OnHandleDestroy(HandleType_t type, void *object);
bool GetHandleApproxSize(HandleType_t type, void *object, unsigned int *pSize);
public: //IRootConsoleCommand
void OnRootConsoleCommand(const char *cmdname, const CCommand &command);
public:
/**
* Loads all plugins not yet loaded
*/
void LoadAll_FirstPass(const char *config, const char *basedir);
/**
* Runs the second loading pass for all plugins
*/
void LoadAll_SecondPass();
/**
* Tests a plugin file mask against a local folder.
* The alias is searched backwards from localdir - i.e., given this input:
* csdm/ban csdm/ban
* ban csdm/ban
* csdm/ban optional/csdm/ban
* All of these will return true for an alias match.
* Wildcards are allowed in the filename.
*/
bool TestAliasMatch(const char *alias, const char *localdir);
/**
* Returns whether anything loaded will be a late load.
*/
bool IsLateLoadTime() const;
/**
* Converts a Handle to an IPlugin if possible.
*/
IPlugin *PluginFromHandle(Handle_t handle, HandleError *err);
/**
* Finds a plugin based on its index. (starts on index 1)
*/
CPlugin *GetPluginByOrder(int num);
int GetOrderOfPlugin(IPlugin *pl);
/**
* Internal version of FindPluginByContext()
*/
inline CPlugin *GetPluginByCtx(const sp_context_t *ctx)
{
return reinterpret_cast<CPlugin *>(ctx->user[SM_CONTEXTVAR_MYSELF]);
}
/**
* Gets status text for a status code
*/
const char *GetStatusText(PluginStatus status);
/**
* Reload or update plugins on level shutdown.
*/
void ReloadOrUnloadPlugins();
/**
* Add public functions from all running or paused
* plugins to the specified forward if the names match.
*/
void AddFunctionsToForward(const char *name, IChangeableForward *pForward);
/**
* Iterates through plugins to call OnAllPluginsLoaded.
*/
void AllPluginsLoaded();
CPlugin *GetPluginFromIdentity(IdentityToken_t *pToken);
void Shutdown();
void OnLibraryAction(const char *lib, bool is_a_plugin, bool drop);
bool LibraryExists(const char *lib);
bool ReloadPlugin(CPlugin *pl);
void UnloadAll();
CPlugin *FindPluginByConsoleArg(const char *arg);
private:
LoadRes _LoadPlugin(CPlugin **pPlugin, const char *path, bool debug, PluginType type, char error[], size_t maxlength);
void LoadAutoPlugin(const char *plugin);
/**
* Recursively loads all plugins in the given directory.
*/
void LoadPluginsFromDir(const char *basedir, const char *localdir);
/**
* Adds a plugin object. This is wrapped by LoadPlugin functions.
*/
void AddPlugin(CPlugin *pPlugin);
/**
* Runs the second loading pass on a plugin.
*/
bool RunSecondPass(CPlugin *pPlugin, char *error, size_t maxlength);
/**
* Runs an extension pass on a plugin.
*/
bool LoadOrRequireExtensions(CPlugin *pPlugin, unsigned int pass, char *error, size_t maxlength);
/**
* Manages required natives.
*/
bool FindOrRequirePluginDeps(CPlugin *pPlugin, char *error, size_t maxlength);
void _SetPauseState(CPlugin *pPlugin, bool pause);
protected:
/**
* Caching internal objects
*/
void ReleaseIterator(CPluginIterator *iter);
public:
inline IdentityToken_t *GetIdentity()
{
return m_MyIdent;
}
private:
void TryRefreshDependencies(CPlugin *pOther);
private:
List<IPluginsListener *> m_listeners;
List<CPlugin *> m_plugins;
CStack<CPluginManager::CPluginIterator *> m_iters;
CPluginInfoDatabase m_PluginInfo;
Trie *m_LoadLookup;
bool m_AllPluginsLoaded;
IdentityToken_t *m_MyIdent;
/* Dynamic native stuff */
List<FakeNative *> m_Natives;
bool m_LoadingLocked;
};
extern CPluginManager g_PluginSys;
#endif //_INCLUDE_SOURCEMOD_PLUGINSYSTEM_H_
+515
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/**
* vim: set ts=4 :
* =============================================================================
* SourceMod
* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#include "ShareSys.h"
#include "HandleSys.h"
#include "ExtensionSys.h"
#include "LibrarySys.h"
#include "PluginSys.h"
#include "sm_stringutil.h"
ShareSystem g_ShareSys;
static unsigned int g_mark_serial = 0;
ShareSystem::ShareSystem()
{
m_IdentRoot.ident = 0;
m_TypeRoot = 0;
m_IfaceType = 0;
m_CoreType = 0;
}
IdentityToken_t *ShareSystem::CreateCoreIdentity()
{
if (!m_CoreType)
{
m_CoreType = CreateIdentType("CORE");
}
return CreateIdentity(m_CoreType, this);
}
void ShareSystem::Initialize()
{
TypeAccess sec;
g_HandleSys.InitAccessDefaults(&sec, NULL);
sec.ident = GetIdentRoot();
m_TypeRoot = g_HandleSys.CreateType("Identity", this, 0, &sec, NULL, NULL, NULL);
m_IfaceType = g_HandleSys.CreateType("Interface", this, 0, NULL, NULL, GetIdentRoot(), NULL);
/* Initialize our static identity handle */
m_IdentRoot.ident = g_HandleSys.CreateHandle(m_TypeRoot, NULL, NULL, GetIdentRoot(), NULL);
/* Add the Handle System and others... they are too innocent and pure to do it themselves */
AddInterface(NULL, &g_HandleSys);
AddInterface(NULL, &g_LibSys);
}
void ShareSystem::OnSourceModShutdown()
{
if (m_CoreType)
{
g_HandleSys.RemoveType(m_CoreType, GetIdentRoot());
}
g_HandleSys.RemoveType(m_IfaceType, GetIdentRoot());
g_HandleSys.RemoveType(m_TypeRoot, GetIdentRoot());
}
IdentityType_t ShareSystem::FindIdentType(const char *name)
{
HandleType_t type;
if (g_HandleSys.FindHandleType(name, &type))
{
if (g_HandleSys.TypeCheck(type, m_TypeRoot))
{
return type;
}
}
return 0;
}
IdentityType_t ShareSystem::CreateIdentType(const char *name)
{
if (!m_TypeRoot)
{
return 0;
}
return g_HandleSys.CreateType(name, this, m_TypeRoot, NULL, NULL, GetIdentRoot(), NULL);
}
void ShareSystem::OnHandleDestroy(HandleType_t type, void *object)
{
/* THIS WILL NEVER BE CALLED FOR ANYTHING WITH THE IDENTITY TYPE */
}
IdentityToken_t *ShareSystem::CreateIdentity(IdentityType_t type, void *ptr)
{
if (!m_TypeRoot)
{
return 0;
}
/* :TODO: Cache? */
IdentityToken_t *pToken = new IdentityToken_t;
HandleSecurity sec;
sec.pOwner = sec.pIdentity = GetIdentRoot();
pToken->ident = g_HandleSys.CreateHandleInt(type, NULL, &sec, NULL, NULL, true);
pToken->ptr = ptr;
pToken->type = type;
return pToken;
}
bool ShareSystem::AddInterface(IExtension *myself, SMInterface *iface)
{
if (!iface)
{
return false;
}
IfaceInfo info;
info.owner = myself;
info.iface = iface;
m_Interfaces.push_back(info);
return true;
}
bool ShareSystem::RequestInterface(const char *iface_name,
unsigned int iface_vers,
IExtension *myself,
SMInterface **pIface)
{
/* See if the interface exists */
List<IfaceInfo>::iterator iter;
SMInterface *iface;
IExtension *iface_owner;
bool found = false;
for (iter=m_Interfaces.begin(); iter!=m_Interfaces.end(); iter++)
{
IfaceInfo &info = (*iter);
iface = info.iface;
if (strcmp(iface->GetInterfaceName(), iface_name) == 0)
{
if (iface->GetInterfaceVersion() == iface_vers
|| iface->IsVersionCompatible(iface_vers))
{
iface_owner = info.owner;
found = true;
break;
}
}
}
if (!found)
{
return false;
}
/* Add a dependency node */
if (iface_owner)
{
IfaceInfo info;
info.iface = iface;
info.owner = iface_owner;
g_Extensions.BindDependency(myself, &info);
}
if (pIface)
{
*pIface = iface;
}
return true;
}
void ShareSystem::AddNatives(IExtension *myself, const sp_nativeinfo_t *natives)
{
CNativeOwner *pOwner;
pOwner = g_Extensions.GetNativeOwner(myself);
pOwner->AddNatives(natives);
}
void ShareSystem::DestroyIdentity(IdentityToken_t *identity)
{
HandleSecurity sec;
sec.pOwner = GetIdentRoot();
sec.pIdentity = GetIdentRoot();
g_HandleSys.FreeHandle(identity->ident, &sec);
delete identity;
}
void ShareSystem::DestroyIdentType(IdentityType_t type)
{
g_HandleSys.RemoveType(type, GetIdentRoot());
}
void ShareSystem::RemoveInterfaces(IExtension *pExtension)
{
List<IfaceInfo>::iterator iter = m_Interfaces.begin();
while (iter != m_Interfaces.end())
{
if ((*iter).owner == pExtension)
{
iter = m_Interfaces.erase(iter);
}
else
{
iter++;
}
}
}
void ShareSystem::AddDependency(IExtension *myself, const char *filename, bool require, bool autoload)
{
g_Extensions.AddDependency(myself, filename, require, autoload);
}
void ShareSystem::RegisterLibrary(IExtension *myself, const char *name)
{
g_Extensions.AddLibrary(myself, name);
}
void ShareSystem::OverrideNatives(IExtension *myself, const sp_nativeinfo_t *natives)
{
unsigned int i;
NativeEntry *pEntry;
CNativeOwner *pOwner;
pOwner = g_Extensions.GetNativeOwner(myself);
for (i = 0; natives[i].func != NULL && natives[i].name != NULL; i++)
{
if ((pEntry = FindNative(natives[i].name)) == NULL)
{
continue;
}
if (pEntry->owner != g_pCoreNatives)
{
continue;
}
if (pEntry->replacement.owner != NULL)
{
continue;
}
/* Now it's safe to add the override */
pEntry->replacement.func = natives[i].func;
pEntry->replacement.owner = pOwner;
pOwner->AddReplacedNative(pEntry);
}
}
NativeEntry *ShareSystem::FindNative(const char *name)
{
NativeEntry **ppEntry;
if ((ppEntry = m_NtvCache.retrieve(name)) == NULL)
{
return NULL;
}
return *ppEntry;
}
void ShareSystem::BindNativesToPlugin(CPlugin *pPlugin, bool bCoreOnly)
{
NativeEntry *pEntry;
sp_native_t *native;
uint32_t i, native_count;
IPluginContext *pContext;
pContext = pPlugin->GetBaseContext();
/* Generate a new serial ID, mark our dependencies with it. */
g_mark_serial++;
pPlugin->PropogateMarkSerial(g_mark_serial);
native_count = pContext->GetNativesNum();
for (i = 0; i < native_count; i++)
{
if (pContext->GetNativeByIndex(i, &native) != SP_ERROR_NONE)
{
continue;
}
/* If we're bound, check if there is a replacement available.
* If not, this native is totally finalized.
*/
if (native->status == SP_NATIVE_BOUND)
{
pEntry = (NativeEntry *)native->user;
assert(pEntry != NULL);
if (pEntry->replacement.owner == NULL
|| (pEntry->replacement.owner != NULL
&& pEntry->replacement.func == native->pfn))
{
continue;
}
}
/* Otherwise, the native must be in our cache. */
else if ((pEntry = FindNative(native->name)) == NULL)
{
continue;
}
if (bCoreOnly && pEntry->owner != g_pCoreNatives)
{
continue;
}
BindNativeToPlugin(pPlugin, native, i, pEntry);
}
}
void ShareSystem::BindNativeToPlugin(CPlugin *pPlugin, NativeEntry *pEntry)
{
uint32_t i;
sp_native_t *native;
IPluginContext *pContext;
pContext = pPlugin->GetBaseContext();
if (pContext->FindNativeByName(pEntry->name, &i) != SP_ERROR_NONE)
{
return;
}
if (pContext->GetNativeByIndex(i, &native) != SP_ERROR_NONE)
{
return;
}
if (native->status == SP_NATIVE_BOUND)
{
return;
}
BindNativeToPlugin(pPlugin, native, i, pEntry);
}
void ShareSystem::BindNativeToPlugin(CPlugin *pPlugin,
sp_native_t *native,
uint32_t index,
NativeEntry *pEntry)
{
/* Mark as bound... we do the rest next. */
native->status = SP_NATIVE_BOUND;
native->user = pEntry;
/* See if a replacement is available. */
if (pEntry->replacement.owner != NULL)
{
/* Perform a replacement bind. */
native->pfn = pEntry->replacement.func;
pEntry->replacement.owner->AddWeakRef(WeakNative(pPlugin, index, pEntry));
}
else
{
/* Perform a normal bind. */
native->pfn = pEntry->func;
/* We don't bother with dependency crap if the owner is Core. */
if (pEntry->owner != g_pCoreNatives)
{
/* The native is optional, this is a special case */
if ((native->flags & SP_NTVFLAG_OPTIONAL) == SP_NTVFLAG_OPTIONAL)
{
pEntry->owner->AddWeakRef(WeakNative(pPlugin, index));
}
/* Otherwise, we're a strong dependent and not a weak one */
else
{
/* See if this has already been marked as a dependent.
* If it has, it means this relationship has already occurred,
* and there is no reason to do it again.
*/
if (pEntry->owner != pPlugin
&& pEntry->owner->GetMarkSerial() != g_mark_serial)
{
/* This has not been marked as a dependency yet */
//pPlugin->AddDependency(pEntry->owner);
pEntry->owner->AddDependent(pPlugin);
pEntry->owner->SetMarkSerial(g_mark_serial);
}
}
}
}
}
NativeEntry *ShareSystem::AddNativeToCache(CNativeOwner *pOwner, const sp_nativeinfo_t *ntv)
{
NativeEntry *pEntry;
if ((pEntry = FindNative(ntv->name)) == NULL)
{
pEntry = new NativeEntry;
pEntry->owner = pOwner;
pEntry->name = ntv->name;
pEntry->func = ntv->func;
pEntry->replacement.func = NULL;
pEntry->replacement.owner = NULL;
pEntry->fake = NULL;
m_NtvCache.insert(ntv->name, pEntry);
return pEntry;
}
if (pEntry->owner != NULL)
{
return NULL;
}
pEntry->owner = pOwner;
pEntry->func = ntv->func;
pEntry->name = ntv->name;
pEntry->func = NULL;
return pEntry;
}
void ShareSystem::ClearNativeFromCache(CNativeOwner *pOwner, const char *name)
{
NativeEntry *pEntry;
if ((pEntry = FindNative(name)) == NULL)
{
return;
}
if (pEntry->owner != pOwner)
{
return;
}
pEntry->func = NULL;
pEntry->name = NULL;
pEntry->owner = NULL;
pEntry->replacement.func = NULL;
pEntry->replacement.owner = NULL;
}
NativeEntry *ShareSystem::AddFakeNative(IPluginFunction *pFunc, const char *name, SPVM_FAKENATIVE_FUNC func)
{
FakeNative *pFake;
NativeEntry *pEntry;
SPVM_NATIVE_FUNC gate;
if ((pEntry = FindNative(name)) != NULL && pEntry->owner != NULL)
{
return NULL;
}
pFake = new FakeNative;
if ((gate = g_pVM->CreateFakeNative(func, pFake)) == NULL)
{
delete pFake;
return NULL;
}
if (pEntry == NULL)
{
pEntry = new NativeEntry;
m_NtvCache.insert(name, pEntry);
}
pFake->call = pFunc;
pFake->ctx = pFunc->GetParentContext();
strncopy(pFake->name, name, sizeof(pFake->name));
pEntry->fake = pFake;
pEntry->func = gate;
pEntry->name = pFake->name;
pEntry->owner = g_PluginSys.GetPluginByCtx(pFake->ctx->GetContext());
pEntry->replacement.func = NULL;
pEntry->replacement.owner = NULL;
return pEntry;
}
+150
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/**
* vim: set ts=4 :
* =============================================================================
* SourceMod
* Copyright (C) 2004-2008 AlliedModders LLC. All rights reserved.
* =============================================================================
*
* This program is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License, version 3.0, as published by the
* Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, AlliedModders LLC gives you permission to link the
* code of this program (as well as its derivative works) to "Half-Life 2," the
* "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
* by the Valve Corporation. You must obey the GNU General Public License in
* all respects for all other code used. Additionally, AlliedModders LLC grants
* this exception to all derivative works. AlliedModders LLC defines further
* exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
* or <http://www.sourcemod.net/license.php>.
*
* Version: $Id$
*/
#ifndef _INCLUDE_SOURCEMOD_SHARESYSTEM_H_
#define _INCLUDE_SOURCEMOD_SHARESYSTEM_H_
#include <IShareSys.h>
#include <IHandleSys.h>
#include <sh_list.h>
#include <sm_trie_tpl.h>
#include "sm_globals.h"
#include "sourcemod.h"
using namespace SourceHook;
namespace SourceMod
{
struct IdentityToken_t
{
Handle_t ident;
void *ptr;
IdentityType_t type;
};
};
struct IfaceInfo
{
bool operator ==(const IfaceInfo &info)
{
return (info.iface == iface && info.owner == owner);
}
SMInterface *iface;
IExtension *owner;
};
class CNativeOwner;
class CPlugin;
struct NativeEntry;
struct ReplaceNative
{
CNativeOwner *owner;
SPVM_NATIVE_FUNC func;
};
struct FakeNative
{
char name[64];
IPluginContext *ctx;
IPluginFunction *call;
};
struct NativeEntry
{
CNativeOwner *owner;
SPVM_NATIVE_FUNC func;
const char *name;
ReplaceNative replacement;
FakeNative *fake;
};
class ShareSystem :
public IShareSys,
public SMGlobalClass,
public IHandleTypeDispatch
{
friend class CNativeOwner;
public:
ShareSystem();
public: //IShareSys
bool AddInterface(IExtension *myself, SMInterface *pIface);
bool RequestInterface(const char *iface_name,
unsigned int iface_vers,
IExtension *myself,
SMInterface **pIface);
void AddNatives(IExtension *myself, const sp_nativeinfo_t *natives);
IdentityType_t CreateIdentType(const char *name);
IdentityType_t FindIdentType(const char *name);
IdentityToken_t *CreateIdentity(IdentityType_t type, void *ptr);
void DestroyIdentType(IdentityType_t type);
void DestroyIdentity(IdentityToken_t *identity);
void AddDependency(IExtension *myself, const char *filename, bool require, bool autoload);
void RegisterLibrary(IExtension *myself, const char *name);
void OverrideNatives(IExtension *myself, const sp_nativeinfo_t *natives);
public: //SMGlobalClass
/* Pre-empt in case anything tries to register idents early */
void Initialize();
void OnSourceModShutdown();
public: //IHandleTypeDispatch
void OnHandleDestroy(HandleType_t type, void *object);
public:
IdentityToken_t *CreateCoreIdentity();
void RemoveInterfaces(IExtension *pExtension);
public:
inline IdentityToken_t *GetIdentRoot()
{
return &m_IdentRoot;
}
public:
void BindNativesToPlugin(CPlugin *pPlugin, bool bCoreOnly);
void BindNativeToPlugin(CPlugin *pPlugin, NativeEntry *pEntry);
NativeEntry *AddFakeNative(IPluginFunction *pFunc, const char *name, SPVM_FAKENATIVE_FUNC func);
private:
NativeEntry *AddNativeToCache(CNativeOwner *pOwner, const sp_nativeinfo_t *ntv);
void ClearNativeFromCache(CNativeOwner *pOwner, const char *name);
NativeEntry *FindNative(const char *name);
void BindNativeToPlugin(CPlugin *pPlugin,
sp_native_t *ntv,
uint32_t index,
NativeEntry *pEntry);
private:
List<IfaceInfo> m_Interfaces;
HandleType_t m_TypeRoot;
IdentityToken_t m_IdentRoot;
HandleType_t m_IfaceType;
IdentityType_t m_CoreType;
KTrie<NativeEntry *> m_NtvCache;
};
extern ShareSystem g_ShareSys;
#endif //_INCLUDE_SOURCEMOD_SHARESYSTEM_H_